Construction Technology 2: Industrial and Commercial Building, 2nd edition

CHAPTER 11 Upper Floors and Internal AccessCase study p325Click on the picture to enlarge image

Web support material to accompany Construction Technology 2: Industrial and Commercial Building 2nd edition © Mike Riley and Alison Cotgrave 2002, 2008 & 2009. Published by Palgrave Macmillan Ltd.

The photograph shows precast stairs being used for a multi storey building. Here we see the stair at the junction with the landing. Note the difference in surface level due to the need to accommodate a screed finish to the landing

The photograph shows the holorib decking fixed onto the steel floor beams

Construction Technology 2: Industrial and Commercial Building, 2nd edition

Web support material to accompany Construction Technology 2: Industrial and Commercial Building 2nd edition © Mike Riley and Alison Cotgrave 2002, 2008 & 2009. Published by Palgrave Macmillan Ltd.

Here we see the profile of the steel decking from the underside

After the decking sheets have been shot fire fixed onto the steel frame, the steel mesh reinforcement is laid on the decking supported by spacers

This photograph shows the concrete being placed using a vehicular concrete pump

Construction Technology 2: Industrial and Commercial Building, 2nd edition

Web support material to accompany Construction Technology 2: Industrial and Commercial Building 2nd edition © Mike Riley and Alison Cotgrave 2002, 2008 & 2009. Published by Palgrave Macmillan Ltd.

This is a power float that is used to create a smooth to the concrete. The concrete is poured in the morning and will be ready for power floating by the late afternoon

The power floater has been used on the top floor and the concrete left to fully cure, whilst the floor below is being concreted

This is a steel frame building that also incorporates steel staircases. The staircases are fabricated off site and then bolted in place on site, in the same way as other steel frame elements. The staircases have been treated with intumescent coatings to provide protection from possible fire damage. The only finish required to the risers is for aesthetic and sound reduction purposes. The landings are to be grouted, before the final covering is applied.

Construction Technology 2: Industrial and Commercial Building, 2nd edition

Web support material to accompany Construction Technology 2: Industrial and Commercial Building 2nd edition © Mike Riley and Alison Cotgrave 2002, 2008 & 2009. Published by Palgrave Macmillan Ltd.